E-Security Technology Co.,Ltd. was established by Zhejiang Government in 2000, focusing on the development and marketing of Security and telecom products Now E-Security is the foremost innovator in the field of RFjamming, In countering the ever growing threat of remotely controlled improvised explosive devices (RCIEDs), E-Security has invested heavily in the development of a range of State-of-the-art, multi band, very high power jamming systems ,Vehicular Jamming system,Multi band Jamming system,Indoor and Outdoor Jammers(Cellphone Jammers,Gps Jammers,Wireless camera jammers....